... , P12, P22, P5, P9 ASTM A199 T11, T22, T5 High Pressure Boiler Tube Application:Boiler, Superheater and Heat-ExchangerProduction Standard, Steel NO:ASTM ... Test.Surface treatment:Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting StyleSizeSteel gradeStandardApplicationsODWT20G/25MnG15CrMoG 12Cr1MoVG /R102GB 5310Technical agreementUsed for working pressure greater than ...